Question

what is the focal lengthsof the convex lens

Answer 1

focal length- the distance between the centre of convex lens and its focus is called focal length of the convex lens


hope dis help
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Answer 2

heya ,
it's Aastha.....

Focal length is the distance between the center of convex lens , the point where parallel rays of light meet, or converge.It is taken positive in convex and taken negative in concave lens .

I hope it help you